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AU XR8 220 Cam 

 

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 Post subject: AU XR8 220 Cam
Posted: Wed Oct 28, 2015 5:16 pm 
Stock as a Rock
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Age: 32

Posts: 169

Joined: 27th Jun 2005

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Ride: EF XR8 5spd

Location: Newcastle
NSW, Australia

Hey boys, long time no post.....asking this for my dad, he just bought a AU2 XR8 220, 5 spd, 95k very neat/honest car....I've been through the usual E series Windsor mods (gt40p/explorer/2031 cam etc) I know the AU has the decent gear on it to start with, my question is whether there's any reason to perceiver with the std 220 cam with a decent tune?? Or go down the aftermarket cam route? I had an EF with a Crane 2031 & the rest, tuned by Crescent to 178rwkw & it felt a fair bit stronger than this does???

Josh

 

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EF XR8 5spd: 302ci /178rwkw

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 Post subject: Re: AU XR8 220 Cam
Posted: Wed Oct 28, 2015 8:56 pm 
Getting Side Ways
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Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

IMO, going to an aftermarket cam is a better option.

The stock Explorer engine output is limited by the GT40P heads, if you've got them, and the Explorer intake. If your father doesn't want to spend money on better flowing aluminium heads, then the current setup is limited to cams up to 0.500" lift.

I suppose the first question is how much does he want to spend on the engine?

 

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AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255, 200cfi cats, 3" exhaust & Snow Performance water methanol injection

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 Post subject: Re: AU XR8 220 Cam
Posted: Wed Oct 28, 2015 10:53 pm 
Stock as a Rock
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Age: 32

Posts: 169

Joined: 27th Jun 2005

Gallery: 6 images

Ride: EF XR8 5spd

Location: Newcastle
NSW, Australia

Doesn't want to spend alot, wanting to stick with the factory heads & manifold.....just wanting to know if there's decent gains to be made by getting the car tuned with the std cam & how those gains would compare to an aftermarket cam/tune??

 

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 Post subject: Re: AU XR8 220 Cam
Posted: Thu Oct 29, 2015 2:26 pm 
EFI Guru
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Take it to Joe at Crescent. AU's run quite rich at WOT so some gains can be made by leaning them out a touch.
A cam like an XE264 or 270 is a worthwhile addition especially if you've done some port work to both heads and intake.
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